This repository contains four file types:
1) design.run.*.txt (TR labels, see coding below, one file per   
   run)
2) *.modulate.run*.hyper.txt (raw predicted hyperplanes, one
   file per subject per run)
3) *.modulate.run*.physio.mat (matlab binary raw physio data,
   column 3 is SCR, one file per subject per run)
4) *.modulate.run*.nii (fMRI raw nifti data, one filer per
   subject per run)

Design file coding
  0 = rest/instruction
  1 = GIN enhance
  -1 = GIN suppress
  2 = IN enhance
  -2 = IN suppress
